<template>
  <el-card>
      <el-form :inline="true" class="form">
          <el-form-item label="职位搜索">
            <el-input placeholder="请你输入搜索职位的关键字" v-model="keyword"></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" :disabled="keyword?false:true" @click="search">搜索</el-button>
            <el-button @click="reset">重置</el-button>
          </el-form-item>
      </el-form>
  </el-card>
  <el-card style="margin:10px 0px;">
    <el-button type="primary" icon="plus" @click="addRole">添加职位</el-button>
    <el-table border style="margin:10px 0px;" :data="allRole">
        <el-table-column type="index" label="#" align="center"></el-table-column>
        <el-table-column label="ID" align="center" prop="id"></el-table-column>
        <el-table-column label="职位名称" align="center" show-overflow-tooltip prop="roleName"></el-table-column>
        <el-table-column label="创建时间" align="center" show-overflow-tooltip prop="createTime"></el-table-column>
        <el-table-column label="更新时间" align="center" show-overflow-tooltip prop="updateTime"></el-table-column>
        <el-table-column label="操作" width="300px" align="center">
          <!-- row:已有的职位对象 -->
          <template #={row,$index}>
            <el-button type="primary" size="small" icon="User" @click="setPermisstion(row)">分配权限</el-button>
            <el-button type="info" size="small" icon="edit" @click="updateRole(row)">编辑</el-button>
            
            <el-popconfirm :title="`你确定要删除${row.roleName}?`" width="260px" @confirm="removeRole(row.id)">
              <template #reference>
                <el-button type="danger" size="small" icon="delete">删除</el-button>
              </template>
            </el-popconfirm>
          </template>
        </el-table-column>
    </el-table>
    <el-pagination
      v-model:current-page="pageNo"
      v-model:page-size="pageSize"
      :page-sizes="[10, 20, 30, 40]"
      :background="true"
      layout=" prev, pager, next, jumper,->, sizes,total"
      :total="total"
      @current-change="getHasRole"
      @size-change="sizeChange"
    />
  </el-card>

  <!-- 添加职位与更新已有的职位的结构：对话框 -->
  <el-dialog v-model="dialogVisible" :title="RoleParams.id?'更新职位':'添加职位'">
    <el-form :model="RoleParams" :rules="rules" ref="form">
        <el-form-item label="职位名称" prop="roleName">
          <el-input placeholder="请你输入职位的名称" v-model="RoleParams.roleName"></el-input>
        </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="dialogVisible=false">取消</el-button>
      <el-button type="primary" @click="save">确定</el-button>
    </template>
  </el-dialog>
  <!-- 抽屉组件：分配职位菜单的权限与按钮的权限 -->
  <el-drawer v-model="drawer">
    <template #header>
      <h4>分配菜单与按钮的权限</h4>
    </template>
    <template #default>
      <!-- 树形控件 -->
      <el-tree
        ref="tree"
        style="max-width: 600px"
        :data="menuArr"
        show-checkbox
        node-key="id"
        default-expand-all
        :default-checked-keys="selectArr"
        :props="defaultProps"
      />
    </template>
    <template #footer>
      <div style="flex: auto">
        <el-button @click="drawer=false">取消</el-button>
        <el-button type="primary" @click="handler">确定</el-button>
      </div>
    </template>
  </el-drawer>

</template>

<script lang="ts" setup>
import {ref,onMounted,reactive,nextTick} from 'vue'
// 请求的方法
import {reqAllRoleList,reqAddOrUpdateRole,reqAllMenuList,reqSetPermisstion,reqRemoveRole} from '@/api/acl/role'
import type {RoleResponseData,Records,RoleData,MenuResponseData,MenuList} from '@/api/acl/role/type'
// 引入骨架的仓库
import useLayOutSettingStore from '@/store/modules/setting'
import { ElMessage } from 'element-plus'
let settingStore = useLayOutSettingStore()
// 当前页码
let pageNo = ref<number>(1)
// 一页展示多少条数据
let pageSize =ref<number>(10)
// 搜索职位的关键字
let keyword = ref<string>('')
// 存储已有的全部的职位
let allRole = ref<Records>([])
// 职位的总个数
let total = ref<number>(0)

// 控制对话框的显示与隐藏
let dialogVisible = ref<boolean>(false)
// 获取form组件实例
let form = ref<any>()

// 控制抽屉的显示与隐藏
let drawer = ref<boolean>(false)

// 定义数组存储用户权限的数据
let menuArr = ref<MenuList>([])

// 准备一个数组：数组用于存储勾选的节点的ID(四级ID)
let selectArr =ref<number[]>([])

// 获取tree组件实例
let tree = ref<any>()

// 收集新增岗位的数据
let RoleParams = reactive<RoleData>({
  roleName:''
})

// 组件挂载完毕
onMounted(()=>{
  // 获取职位的请求
  getHasRole()
})

// 获取全部用户信息的方法|分页器当前页码发生变化的回调
const getHasRole=async(pager = 1)=>{
  // 修改当前页码
  pageNo.value=pager
  let result:RoleResponseData = await reqAllRoleList(pageNo.value,pageSize.value,keyword.value)
  // console.log(result)
  if(result.code==200){
    total.value = result.data.total
    allRole.value = result.data.records
  }
}

// 下拉菜单的回调
const sizeChange=()=>{
  getHasRole()
}
// 搜索按钮的回调
const search=()=>{
  // 再次发请求更具关键字
  getHasRole()
  keyword.value = ''
}
// 重置按钮的回调
const reset=()=>{
  settingStore.refsh = !settingStore.refsh
}
// 添加职位按钮的回调
const addRole = () => {
  // 清空数据
  Object.assign(RoleParams,{
    roleName:'',
    id:0
  })
  // 清空上一次表单校验错误的结果
  nextTick(()=>{
    form.value.clearValidate('roleName')
  })
  // 对话框显示出来
  dialogVisible.value=true
}
// 更新已有的职位按钮的回调
const updateRole = (row:RoleData)=>{
   // 对话框显示出来
   dialogVisible.value=true
   // 存储已有的职位---带有ID
   Object.assign(RoleParams,row)
  // 清空上一次表单校验错误的结果
  nextTick(()=>{
    form.value.clearValidate('roleName')
  })
}

// 自定义校验规则的回调
const validatorRoleName = (rule:any,value:any,callBack:any)=>{
  if(value.trim().length>=2){
    callBack()
  }else{
    callBack(new Error('职位名称至少两位'))
  }
}
// 职位相关给的校验规则
const rules = {
  roleName:[{required:true,trigger:'blur',validator:validatorRoleName}]
}

// 对话框确定按钮的回调
const save = async()=>{
  // 表单校验的结果，结果通过在发请求，结构没有通过不应该在发请求
  await form.value.validate()
  // 添加职位|更新职位请求
  let result:any = await reqAddOrUpdateRole(RoleParams)
  if(result.code==200){
    // 提示文字
    ElMessage({
      type:'success',
      message:RoleParams.id?'更新成功':'添加成功'
    })
    // 对话框消失
    dialogVisible.value = false
    // 再次获取全部的已有的职位
    getHasRole(RoleParams.id?pageNo.value:1)
  }
}

// 分配权限按钮的回调
// row已有职位的数据
const setPermisstion=async(row:RoleData)=>{
  // 抽屉显示出来
  drawer.value=true
  // 收集当前要分配权限职位的数据
  Object.assign(RoleParams,row)
  // 更具职位获取权限的数据
  let result:MenuResponseData = await reqAllMenuList((RoleParams.id as number))
  // console.log(result)
  if(result.code==200){
    menuArr.value = result.data
    selectArr.value = filterSelectArr(menuArr.value,[])
  }
}
// 树形控件的数据
const defaultProps = {
  children: 'children',
  label: 'name',
}
const filterSelectArr = (allData:any,initArr:any)=>{
  allData.forEach((item:any)=>{
    if(item.select&&item.level==4){
      initArr.push(item.id)
    }
    if(item.children&&item.children.length>0){
      filterSelectArr(item.children,initArr)
    }
  })
  return initArr
}

// 抽屉确定按钮的回调
const handler =async()=>{
  // 职位的Id
  const roleId = (RoleParams.id as number)
  // 选中节点的Id
  let arr = tree.value.getCheckedKeys()
  // 半选的id
  let arr1 = tree.value.getHalfCheckedKeys()
  let permisstionId = arr.concat(arr1)
  // 下发权限
  let result:any = await reqSetPermisstion(roleId,permisstionId)
  if(result.code==200){
    // 抽屉关闭
    drawer.value=false
    // 提示信息
    ElMessage({
      type:'success',
      message:'分配权限成功'
    })
    // 页面刷新
    window.location.reload()
  }
}

// 删除已有的职位
const removeRole = async (id:number)=>{
  let result:any = await reqRemoveRole(id)
  if(result.code==200){
    // 提示信息
    ElMessage({
      type:'success',
      message:'删除成功'
    })
    getHasRole(allRole.value.length>1?pageNo.value:pageNo.value-1)
  }
}
</script>

<style scoped>
.form{
  display:flex;
  justify-content: space-between;
  align-items:center;
  height:50px;
}
</style>